Calculate the amount of heat needed to melt 80.1 g of solid hexane (C6H14) and bring it to a temperature of -90.5 °C. Be sure your answer has a unit symbol
and the correct number of significant digits.

It would be true sodium reacts with water in a violent way 

Ionic compounds dissociate into component ions dissolved into a solution creating substances called "electrolytes".hope my answer has you : )

Answer it was we, the the whole people, who formed the union. and we formed it, not to give the blessings of liberty, but to secure them: not to the half of ourselves and the half of our posterity, but to the whole people- women as well as men.

Heat of fusion= heat/mass  heat of fusion = 12.03kj/36 g= 0.3342 kj/g or 334.2 j/g